NVIDIA GeForce GTX 980 vs AMD Radeon R9 285X

VS

NVIDIA GeForce GTX 980

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Boost Clock1216MHz

More VRAM (4GB vs 3GB)

Lower TDP (165W vs 200W)

AMD Radeon R9 285X 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 224.4GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 980 +21%

4.981 TFLOPS

Radeon R9 285X

4.104 TFLOPS

GeForce GTX 980

VS

Radeon R9 285X

Graphics Card

Sep 2014

Release Date

Unknown

GeForce 900

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1127 MHz

Base Clock

-

1216 MHz

Boost Clock

-

1753 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

224.4GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

-

2048

Shading Units

2048

128

TMUs

128

64

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

77.82 GPixel/s

Pixel Rate

32.06 GPixel/s

155.6 GTexel/s

Texture Rate

128.3 GTexel/s

-

4.981 TFLOPS

FP32 (float)

4.104 TFLOPS

155.6 GFLOPS

FP64 (double)

-

Board Design

165W

TDP

200W

450 W

Suggested PSU

550 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GM204

GPU Name

Tonga

GM204-400-A1

GPU Variant

Tonga XT (215-0851313)

Maxwell 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

5 billion

398 mm²

Die Size

366 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

6.3

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